This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Atomic Structure - 1
1.
_________ produce a greenish fluorescence on striking the walls of the glass tube.
a) Canal rays
b) Electric & Magnetic
c) -particle.
d) Cathode rays
2.
A scientist concluded from his experiments that cathode rays consists of streams of _______ particles.
a) Cathode rays
b) Magnetic
c) Negatively charged.
d) Proton
3.
Positive rays are also known as ___________.
a) Canal rays
b) quantum
c) Zinc sulphide
d) Magnetic
4.
Positive rays are deflected by an _______ as well as a _________.
a) Zinc sulphide
b) Magnetic quantum
c) Emission & Absorption.
d) Electric & Magnetic
5.
The _______ value for positive rays is always smaller than that of ______.
a) i. e/m ii. Electron
b) Electric & Magnetic
c) Zinc sulphide
d) Magnetic quantum
6.
The mass of neutron is always equal to mass of _______.
a) Absorption.
b) -particle.
c) Proton
d) Emission
7.
A fast neutron ejects an _____ from the nucleus of nitrogen.
a) Zinc sulphide
b) quantum
c) Magnetic
d) -particle.
8.
A fast moving neutron should have an energy equal to ____ Mev.
a) 1-3
b) 2-1
c) 1-1
d) 1-2
This is more feedback!
This is the feedback!
